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All Journal ComEngApp : Computer Engineering and Applications Journal Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Sinergi JURNAL NASIONAL TEKNIK ELEKTRO Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JURNAL SURYA ENERGY Jurnal Komunitas: Jurnal Pengabidian Kepada Masyarakat Jurnal Pengabdian UNDIKMA Indonesian Community Journal Jurnal Rekayasa elektrika SULUH ABDI : Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Teknik Sipil LATERAL Scientific Contributions Oil and Gas
Bhakti Yudho Suprapto
Sriwijaya University
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Nursing Public Health Social Sciences Transportation Other

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Implementasi Teknologi Keramba Jaring Apung Otomatis Untuk Meningkatkan Budidaya Ikan Di Desa Ekowisata Burai Dwijayanti, Suci; Suprapto, Bhakti Yudho; Hikmarika, Hera; Irmawan, Irmawan; Rendyansyah, Rendyansyah; Fitria, Syarifa; Herlina, Herlina; Agustina, Sri
Suluh Abdi Vol 7, No 1 (2025): SULUH ABDI
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/sa.v7i1.9752

Abstract

Desa Burai, Ogan Ilir, merupakan desa ekowisata dengan potensi sumber daya alam berupa Sungai Kelekar. Permasalahan utama yang dihadapi masyarakat mitra Kelompok Sadar Wisata (Pokdarwis) Burai Indah adalah pengelolaan keramba jaring apung (KJA) yang masih dilakukan secara tradisional, yang mengarah pada rendahnya produktivitas ikan. Pengabdian masyarakat ini bertujuan untuk meningkatkan produktivitas budidaya ikan di Desa Burai dengan solusi teknologi yang ditawarkan adalah KJA pintar. KJA yang dikembangkan ini dilengkapi dengan teknologi pemantauan kualitas air menggunakan sensor suhu dan pH yang kemudian juga akan dilengkapi sistem pemberian pakan otomatis. Kegiatan pengabdian ini mencakup analisis situasi, pembuatan dan pemasangan KJA, serta pelatihan dan pendampingan kepada kelompok pengelola wisata air. Penerapan KJA pintar diharapkan dapat meningkatkan produktivitas ikan, mendukung keberlanjutan ekowisata, dan memberdayakan masyarakat. Selain itu, kegiatan ini juga melibatkan mahasiswa yang mendapatkan pengalaman praktis dalam bidang teknik elektro. Hasil pelaksanaan menunjukkan bahwa KJA pintar mampu meningkatkan efisiensi dalam pengelolaan budidaya ikan dan meningkatkan kapasitas masyarakat dalam memanfaatkan teknologi untuk kelestarian lingkungan.
Positioning Control System on the Movement of Wheeled Humanoid Robot Using Swerve Drive Model Based on Fuzzy Logic Controller Harry, Caroline; Amirulsyah, Ahmad Rizky; Hermawati, Harmawati; Dwijayanti, Suci; Suprapto, Bhakti Yudho
Jurnal Rekayasa Elektrika Vol 21, No 1 (2025)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v21i1.36393

Abstract

Technology in robotics has developed rapidly in the last few decades, as evidenced by the increasing number of robots created, such as humanoid robots and mobile robots. In this study, a wheeled humanoid robot is designed to move from one place to another using a swerve drive model, a holonomic type of drive wheel. This model uses a combination of DC motors and gears to ensure smooth movement of the humanoid robot. The swerve drive allows the robot to move freely in all directions. Therefore, the humanoid robot requires a control system to manage and automatically regulate the state of the system. The fuzzy logic control system can perform mathematical calculations based on human knowledge, serving as a controller without requiring a mathematical model of the controlled process. The results obtained from this study demonstrate the robots ability to move stably and accurately, based on the response to the rules provided by the fuzzy logic control system. The more membership functions used, the more stable and accurate the results will be, while using fewer membership functions will result in faster response times to reach the setpoint.
PERENCANAAN JALAN TANDING MARGA – SEI DUA KABUPATEN PENUKAL ABAB LEMATANG ILIR Agustina, Resti; Suprapto, Bhakti Yudho; Bochori; Natassia, Karina; Akhirini, Akhirini
LATERAL: Jurnal Teknik Sipil Vol 3 No 1 (2025): Jurnal Teknik Sipil LATERAL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Tridinanti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52333/lateral.v3i1.930

Abstract

Roads are one of the means of land transportation and will continue to develop as one of the transportation infrastructures to meet the needs of the community in carrying out various activities. Road development is one of the things that continues to experience progress in terms of technology and the mindset of the people who use it, so that roads are an important place for the community. Jalan Tanding Marga to SEI Dua, Karang Tanding Village, North Penukal District is also a frequently used access road where the current condition still does not have a pavement construction so that planning is needed for the geometry and type of pavement. The research method carried out through several stages, namely topographic surveys, investigations of existing conditions, geometric planning of roads in the Geometric Planning Procedures for Roads issued by the Directorate General of Highways No.038/BM/1997 and determination of the thickness of the road pavement according to SNI 03-1732-1989. The results of the study showed that the design speed plan was 40 km/hour which met the technical requirements. The results of the analysis show that the recommended types of flexible pavement layers can use the AC-Base, AC-BC and AC-WC types with thicknesses of 150 mm, 60 mm and 40 mm respectively.
Optimalisasi Promosi Ekowisata Desa Burai dengan Teknologi Perahu Hybrid dan Website Suprapto, Bhakti Yudho; Dwijayanti, Suci; Juliantina, Ika
Jurnal Pengabdian UNDIKMA Vol. 6 No. 2 (2025): May
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v6i2.15487

Abstract

This community service activity assists tourism awareness groups Pokdarwis in developing ecotourism through marketing and production to increase income. The methods used in this community service activity are participatory and collaborative by conducting training and demonstrations. The target partners of this activity are Tourism Awareness Groups (Pokdarwis). While the evaluation instrument is a questionnaire used to assess the understanding and satisfaction of partners Pokdarwis with the training and technology provided and semi-structured interviews were conducted with Pokdarwis members and tourists who have used the service. Then, the data analysis technique is quantitative descriptive analysis, used for the results of the questionnaire by displaying percentages to show the level of understanding, satisfaction, and effectiveness of the training. While for interviews and observations, qualitative thematic analysis is used to identify patterns, challenges, and opportunities felt by partners during the program. The results of this community service show that the level of understanding of Pokdarwis is quite good, reaching 82% who understand and are able to fill in content on the website, and are also able to control hybrid boats, participant satisfaction 81% and readiness for independent implementation 74%.
A Hybrid Wavelet Scattering and Mel Spectrogram Feature with Deep Convolution Neural Network for Robust Spoken Digit Recognition irmawan, Irmawan; Dwijayanti, Suci; Suprapto, Bhakti Yudho
JURNAL NASIONAL TEKNIK ELEKTRO Vol 14, No 3: November 2025
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v14n3.1310.2025

Abstract

Spoken digit recognition (SDR) plays a critical role in biometric authentication and human–computer interaction, yet existing approaches often rely on small datasets, limited feature representations, or architectures prone to overfitting. To address these limitations, this study proposes a robust end-to-end pipeline that integrates Wavelet Time Scattering (WTS), Mel-Frequency Cepstral Coefficients (MFCC), and a 2D Deep Convolutional Neural Network (2D-CNN) to enhance the accuracy and generalization of SDR systems in realistic environments. The Free-Spoken Digit Dataset (FSDD), consisting of 3000 audio samples from speakers with diverse accents, was pre-processed using zero-padding normalization and transformed into high-resolution time–frequency spectrograms via WTS. The proposed CNN architecture, optimized through systematic experimentation on batch size and learning rate, demonstrated stable convergence and superior discriminative capability. Using a learning rate of 0.001 and a batch size of 50, the model achieved the highest performance with 99.2% accuracy, outperforming established methods including SVM, MFCC-LSTM, and Multiple RNN architectures. Comparative evaluations further revealed that the combined WTS–MFCC feature extraction significantly enhances spectral–temporal representation quality, contributing to improved classification precision across all digit classes. These findings demonstrate that the proposed WTS-MFCC-CNN framework not only advances SDR accuracy but also provides a scalable and computationally efficient approach suitable for real-world biometric, financial, and voice-controlled applications. The results highlight the potential of hybrid time–frequency representations integrated with deep architectures to set a new benchmark for robust spoken digit recognition.
Designing A Compact 2×2 Dual-Band Mimo Microstrip Antenna for Wireless Monitoring Systems in Oil and Gas Facilities Aribowo, Didik; Nawawi, Zainuddin; Suprapto, Bhakti Yudho
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.1992

Abstract

Oil and gas facilities present challenging wireless communication environments due to complex metallic structures and severe multipath propagation, which can degrade the reliability of Industrial Internet of Things (IIoT)–based monitoring systems. To address this issue, this study proposes a compact dual-band 2×2 MIMO microstrip antenna operating at 2.6 GHz and 3.8 GHz for wireless monitoring applications in oil and gas facilities. The antenna is fabricated on a low-cost FR-4 substrate and employs a hexagonal patch geometry, miniaturized using a beveled half-cut technique to shorten the effective current path while maintaining good impedance matching. Furthermore, a multi-bridge ground structure is introduced to reduce mutual coupling between MIMO elements. Antenna performance is evaluated through simulations using Computer Simulation Technology (CST) by analyzing S-parameters, VSWR, gain, and radiation patterns. Simulation results show that the proposed antenna achieves reflection coefficients below −10 dB at both operating bands, inter-element isolation of up to ≤ −20 dB, VSWR values below 1.5, and a peak gain of 1.41 dBi. These results indicate that the proposed compact dual-band MIMO antenna is a promising candidate for reliable wireless monitoring systems in oil and gas facilities.
Penerapan Pompa Surya 300 Wp untuk Stabilitas Air Wudhu di Masjid Pulau Kemarau Suprapto, Bhakti Yudho; Nawawi, Zainuddin; Yuniarti, Dwirina; Dwijayanti, Suci; Amri, Djulil; Kurnia, Rizda Fitri; Hikmarika, Hera; Prasetyo, Robi; Herlina, Herlina
I-Com: Indonesian Community Journal Vol 6 No 1 (2026): I-Com: Indonesian Community Journal (Maret 2026)
Publisher : Fakultas Sains Dan Teknologi, Universitas Raden Rahmat Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/i-com.v6i1.9249

Abstract

Masjid Darul Muttaqin di Pulau Kemarau mengalami ketidakstabilan pasokan air wudhu karena pompa Listrik dengan suplai terpasang dari PLN 900 VA harus berbagi dengan beban lain. Hal ini memicu penurunan tegangan dan melemahkan aliran air pada jam jamaah padat. Kegiatan pengabdian ini bertujuan untuk mengimplementasikan sistem pompa air berbasis tenaga surya 300 Wp yang menggerakkan pompa DC untuk mengisi tandon air 600-liter di siang hari, kemudian didistribusikan ke titik keran wudhu melalui perbedaan ketinggian. Metode kegiatan adalah pendekatan Masyarakat penerapan teknologi berbasis kebutuhan mitra, diawali dengan survey kebutuhan, perancangan, instalasi, uji coba, serta pelatihan operasi dan pemeliharaan bagi pengurus masjid. Hasil kegiatan menunjukkan sistem mampu menjalankan fungsi dasar layanan, yaitu pengisian tandon tanpa menambah beban listrik masjid dan penyaluran air wudhu yang lebih siap pada waktu salat, disertai SOP sederhana untuk operasi harian dan perawatan berkala. Kegiatan ini menekankan keberlanjutan melalui penguatan kapasitas pengelola lokal dan rencana monitoring.  
Optimizing K-Means Clustering Parameters for Mapping Smart Contract Transaction Characteristics: A Comparative Analysis of Evaluation Metrics in the IOTA Ecosystem Ubaya, Huda; Stiawan, Deris; Suprapto, Bhakti Yudho; Ekaputra, Rivaldi Febrian; Afifah, Nurul; Ningrum, Septiani Kusuma
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 14, No 1: March 2026
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52549/ijeei.v14i1.7741

Abstract

Smart contracts are already a major development in digital transaction automation thanks to blockchain technology, but their operational efficiency is still greatly impacted by resource consumption, transaction success rates, and gas cost dynamics. This study aims to optimize the K-Means Clustering algorithm's parameters in order to map the characteristics of smart contract transactions in the IOTA ecosystem and provide thorough insights into the efficiency of gas allocation. Using a massive dataset of 566,303 empirical transactions from the IOTA Tangle, three key metrics the Silhouette Coefficient, Davies-Bouldin Index, and Calinski-Harabasz Index were compared to verify the quality of the clustering. With a Silhouette Coefficient value of 0.9851, Davies-Bouldin Index of 0.4622, and Calinski-Harabasz Index of 741,423.92, quantitative evaluation results demonstrate that the 3- cluster structure performs better than two clusters. These results validate the 3-cluster model's ability to more accurately divide transactions into categories that are efficient, complex, and gas-inefficient. The results of this mapping can serve as the foundation for creating an automated recommendation system for optimizing transaction costs in decentralized networks. This study shows that the Gas Limit and Gas Consumed indicators are crucial predictors of transaction efficiency.
Co-Authors Agam, Regan Agustina, Resti Ahmad Zarkasi Akbar, Ahmad Reinaldi Akhirini, Akhirini Amirulsyah, Ahmad Rizky Bochori Bochori Deris Stiawan Didik Aribowo Dimsyiar M Al Hafiz Djulil Amri Ekaputra, Rivaldi Febrian Farhan Abie Ardandy Fitria, Syarifa Fortuna Sinulingga , Regita Harry, Caroline Hera Hikmarika, Hera Herlina Herlina Hermawati Hermawati, Hermawati Hermawati, Harmawati Huda Ubaya Ika Juliantina Ike Bayusari Irmawan Irmawan Javen Jonathan Mahfie, Dindi Hamamie Muhammad Afif Muhammad Yusup Mutiyara, Mutiyara Natassia, Karina Ningrum, Septiani Kusuma Otong, Muhammad Padarid, Manlahima Pohan, Immanuel Morries Prasetyo, Robi Rendyansyah Rizda Fitri Kurnia, Rizda Fitri Rizki Kurniati Sariman Sariman Siti Nurmaini Sri Agustina, Sri Suci Dwijayanti Thayeb, Rudyanto Yogta, Abeng Yuniarti, Dwirina Zainuddin Nawawi